HS

Hiromitsu Sakai

HI Hitachi: 20 patents #1,757 of 28,497Top 7%
SK Showa Denko K.K.: 7 patents #183 of 1,736Top 15%
TC Toyoda Gosei Co.: 7 patents #334 of 2,296Top 15%
CC C.Uyemura & Co.: 6 patents #22 of 180Top 15%
PC Polyplastics Co.: 2 patents #103 of 292Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #70,981 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
8896085 Semiconductor light-emitting element manufacturing method, lamp, electronic equipment, and mechanical apparatus 2014-11-25
8867247 DC/AC power converter with DC side double frequency pulsation suppression caused by AC side faults Akira Bando, Yasuhiro Kiyofuji, Masaya Ichinose, Yasuhiro Imazu 2014-10-21
8859313 Method for manufacturing semiconductor light emitting element, semiconductor light emitting element, lamp, electronic device and mechanical apparatus 2014-10-14
8785227 Method of manufacturing semiconductor light emitting element including re-growth layer for reducing warpage 2014-07-22
8772060 Method for manufacturing group III nitride semiconductor light emitting element, group III nitride semiconductor light emitting element and lamp Takeshi Harada 2014-07-08
8754441 Semiconductor light-emitting device with a concavo-convex part formed on a P-type semiconductor layer and method for manufacturing semiconductor light-emitting device Hironao Shinohara 2014-06-17
8492186 Method for producing group III nitride semiconductor layer, group III nitride semiconductor light-emitting device, and lamp Hironao Shinohara 2013-07-23
8421107 Group-III nitride semiconductor light emitting device and production method thereof, and lamp Hironao Shinohara 2013-04-16
8309982 Group-III nitride semiconductor light-emitting device, method for manufacturing the same, and lamp Kenzo Hanawa, Yasumasa Sasaki 2012-11-13
8299642 Wind power generation system Masaya Ichinose, Motoo Futami, Kazuhiro Imaie 2012-10-30
8148712 Group III nitride compound semiconductor stacked structure Hisayuki Miki, Kenzo Hanawa, Yasunori Yokoyama, Yasumasa Sasaki, Hiroaki Kaji 2012-04-03
8134168 Group-III nitride semiconductor device Mineo Okuyama 2012-03-13
8129851 Wind power generation system and control method thereof Masaya Ichinose, Motoo Futami, Kojiro Yamashita 2012-03-06
8097971 Wind turbine generator system Masaya Ichinose, Motoo Futami 2012-01-17
8076790 Wind turbine generator system Masaya Ichinose, Motoo Futami 2011-12-13
8049227 Group III nitride semiconductor light emitting device, method for producing the same, and lamp thereof Hisayuki Miki 2011-11-01
7964980 Wind turbine generator system Masaya Ichinose, Motoo Futami 2011-06-21
7952214 Wind power generation system and method of controlling power converter Masaya Ichinose, Shinya Oohara, Motoo Futami, Mitsugu Matsutake 2011-05-31
7951617 Group III nitride semiconductor stacked structure and production method thereof 2011-05-31
7855386 N-type group III nitride semiconductor layered structure Akira Bandoh, Masato Kobayakawa, Mineo Okuyama, Hideki Tomozawa, Hisayuki Miki +3 more 2010-12-21
7847427 Wind turbine generator system Masaya Ichinose, Motoo Futami 2010-12-07
7692325 Wind power generation system Masaya Ichinose, Motoo Futami 2010-04-06
7692323 Wind turbine generator system Masaya Ichinose, Motoo Futami 2010-04-06
7514707 Group III nitride semiconductor light-emitting device 2009-04-07
7355296 Wind turbine generator system Masaya Ichinose, Motoo Futami 2008-04-08